Home / 19,209.15-26,508.76-10,711.80

Finding the Fourth Proportional to 19,209.15, 26,508.76 and 10,711.80

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Solution

The fourth proportional to 19,209.15, 26,508.76 and 10,711.80 is: 14,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.15 : 26,508.76 = 10,711.80 : x
  2. Step 2: Convert to fraction form
    19,209.15/26,508.76 = 10,711.80/x
  3. Step 3: Cross multiply
    19,209.15x = 26,508.76 × 10,711.80
  4. Step 4: Simplify right side
    19,209.15x = 283,956,508.59
  5. Step 5: Solve for x
    x = 283,956,508.59/19,209.15
  6. Step 6: Final answer
    x = 14,782.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.